
5 Troubleshooting
PN15VT/VO
PN15HT/HO
5-15
G2 voltage is right?
Blank pulse is on Pin 3 of IC401?
Check IC401.
Yes
Yes
No
Check D502 and Adjust G2.
No
V_FLB pulse is on
Collector of Q502?
Check Q502.
Done
Yes
No
Does approve the Vertical pulse
on the CRT Socket G1?
Check CN102 and CN201.
Yes
No
Check white balance adjustment.
5-2-4 Visible Retrace
22
23
WAVEFORMS
22
5.00 V (Q502, Collector)
23
50.00 V (CRT Socket, G1)
Содержание PN15HO
Страница 7: ...2 Product Specifications 2 4 PN15VT VO PN15HT HO Memo ...
Страница 17: ...Memo 4 Alignment and Adjustments 4 8 PN15VT VO PN15HT HO ...
Страница 36: ...PN15VT VO PN15HT HO 6 1 6 Exploded View and Parts List 6 1 PN15VT HT ...
Страница 37: ...6 2 PN15VO HO 6 Exploded View Parts List 6 2 PN15VT VO PN15HT HO ...
Страница 38: ...6 Exploded View and Parts List 6 1 1 Front Cover CRT Ass y PN15VT HT PN15VT VO PN15HT HO 6 3 ...
Страница 39: ...6 1 2 Chassis Stand Ass y PN15VT HT 6 Exploded View Parts List 6 4 PN15VT VO PN15HT HO ...
Страница 40: ...6 1 3 Rear Cover Ass y PN15VT HT 6 Exploded View Parts List PN15VT VO PN15HT HO 6 5 ...
Страница 41: ...6 Exploded View Parts List 6 6 PN15VT VO PN15HT HO 6 2 1 Front Cover CRT Ass y PN15VO HO ...
Страница 42: ...6 2 2 Chassis Stand Ass y PN15VO HO 6 Exploded View Parts List PN15VT VO PN15HT HO 6 7 ...
Страница 43: ...6 2 3 Rear Cover Ass y PN15VO HO 6 Exploded View Parts List 6 8 PN15VT VO PN15HT HO ...
Страница 72: ...PN15VT VO PN15HT HO 9 1 15 PIN D SUB refer to pin assignment of product spec 9 Wiring Diagram ...
Страница 73: ...Memo 9 Wiring Diagrams 9 2 PN15VT VO PN15HT HO ...